This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A245684 #11 Apr 09 2021 20:41:08 %S A245684 1,1,3,1,7,6,8,4,8,4,2,0,9,0,3,3,4,9,8,8,0,0,9,5,1,2,0,6,2,0,4,5,4,6, %T A245684 5,7,4,4,6,7,2,6,8,5,9,1,9,3,2,1,3,4,7,4,6,6,5,0,0,7,8,8,9,1,0,8,5,4, %U A245684 8,8,3,3,8,7,3,2,2,7,7,5,8,2,8,6,3,0,3,1,4,8,6,3,3,7,7,9,9,7,2,2,3,5,4,2,9,5,7,7,0,5,0,1,3,8,9,9,2,3,8,1,7,9,0,5,1,5,0,9,0,5,7,0,3,6,7,0,4,2,0,4,6 %N A245684 Decimal expansion of the expected distance from a randomly selected point in the unit circle to a point on the boundary: 32/(9*Pi). %e A245684 1.1317684842090334988009512062045465744672685919321347466500788910.... %t A245684 RealDigits[32/(9Pi),10,150][[1]] (* _Harvey P. Dale_, Apr 21 2019 *) %K A245684 nonn,cons %O A245684 1,3 %A A245684 _Derek Orr_, Jul 29 2014